Question

Acme plumbing and heating charges $45 for a service call plus $30 per hour. If the company estimates that a certain job will cost at least $255, how long will the job take?"

Answer 1

7 hours

Explanation:

Take away the service call fee from the total sum

$255-$45 = $210

Divide that number by $30 an hour to get the amount of hours the job took

$210/ $30 = 7

7 hours